Lubricator



' July 3.1,v 192s.

N. K. KLAUSET LUBRIGATOR Filed Feb. 26, 1925 Patented July 3l, 1928.

PATENT oFFicr..

NIKOLAI Kas'rsnae KLAUSET,

OF CHRISTIANSAND, NORWAY.

LUBRIGATOR.

Application filed February 26, 1925, Serial No. 11,856, and in NorwayAugust 25, 1924,

The present invention relates to lubricators and especially to greasepresses of the hand driven force-feed type.

The object of the invention is to provide 5 means whereby a lubricatorfor grease or more or less solid lubricating compositions may be adaptedfor use also as oil pumps.y

According to the present invention the said object is achieved byarranging a releasable engagement between the rod of the press orlubricator and the guiding nut thereof, whereby the said rod may befreely longitudinally displaced after release of the engagement, andthus serve as an ordinary piston rod.

According to the invention the said nut may be divided in two halves,each of which may, by means of suitable arrangements, be displaced in adirection normally to the axis of the said rod, whereby the nut halvesare brought out of, or into, engagement with the threads of the rod.

Preferably the halves of the said nut are displaced by screwing the toplid of the press, said lid carrying means which act upon coacting meansof the nut halves, whereby the said nut halves are displaced.

One constructional form of the invention is by way of example shown atthe accompanying drawing where:

Fig. l is a sectional view of a lubricator according to the inventionand Fig. 2 is a top view of the same, the top lid being removed, andFig. 3 is a view similar to that of Fig. 2, showing a modiiied form ofthe lubricator.

rlhe cylinder or shell a of the lubricator is, at the lower end thereof,closed by a screwed lid m, which is provided with a threaded outlet padapted to receive a conduit or tube of suitable. type.

At the top end thereof the cylinder a is provided with an inwardlyprojecting flange g supporting a nut comprising two halves c, 15 c. rihesaid halves are adapted to be moved sidewards on to and away from athreaded piston rod b, which pass through the opening of the saiddivided nut. At the lower end thereof the said piston rod carrie-s a "opiston 0 provided with glands Z, as usual. rl`he nut halves c, c arekept apart by means of springs c arranged therebetween. Further, eachnut half isprovided with a slot adapted to receive a pin f secured toand projecting upward from the said flange g. This pin and slotarrangement serves to with a face cZ, which is obliqueasregards Y thecentral axis of the apparatus. The said upper lid /t is screwed on thecylinder a, whereby the lid and accordingly also the oblique face ofthering po-rtion, may be adjusted as regards the distance from the nuthalves c. rEhe vpiston rod b pass freely through an opening r in the lidL.

elVhen the upper lid L is screwed down on the cylinder a so as toapproach the nut halves c, the said oblique ring portion will come intoContact with each nut half vand press the same against the action of thesprings e, inward into engagement with the threads of trie rod If thelid't is turned in the opposite direction, the said oblique surfacewill, of course, be removed from the nut halves, whereby the springs care' al* lowed to move the same out of engagement with the piston rodZ).

@ther means may, however, be used to effect the movement of the nuthalves on to or away from the piston rod F. inst., as shown in Fig. 3,the springs c may be omitted and the nut halves c guided by means ofpins or lugs a projecting into helical grooves n formed in the lid It.As the lid /L is supposed to have been removed in this figure, the saidgrooves n are indicated by dotted lines only.

To the cylinder a there is secured an abutment /c,'which coacts with aflange on the top lid to limit the movement. of the lid, in eachdirection of the movements thereof.

When the apparatus is to be filled with lubricant lthe nut halves aremoved out of engagement with the rod Z) by turning the lid 7L in thecorrect direction. Then the piston m may be directly drawn towards vthetop yportion of the apparatus, without the need of being turned numeroustimes as would have been the case if the nut halves c had remained inengagement with the rod l).

lf the apparatus is to be used for sucking up and lubricating with fluidoil orthe like, the same may be sucked into the apparatus when thepiston m is drawn back, and may again be pressed out by simply forcingthe bottom lid m. In this acts as an ordinary oil piston towards thecase the apparatus gun.

It the apparatus is to be used for a more or less solid grease, thepiston is withdrawn to its uppermost position, is removed and thecylinder is then iilled from below with the grease in question whereuponthe lid m is again secured on the lower end of thel apparatus. Then thelid 7i is screwed down so as to move the nut halves c into engagementwith the rod b, when the more or less solid grease may be protrudedthrough the opening in the lower lid m by screwing the rod Z) downwardthrough the nut 0.

rhus it is seen that the present invention provides vfor an apparatuswhichis equally utilizable for lubricating with liquid, seiniliquid orsolid lubricants, and which may also be used as an ordinary pump to suckup oil and the like, which has accumulated at certain spaces.

Having now particularly described and the lower lid m' parts out ofengagement with the rod, and

consisting of coiled springs arranged between and having theirrespective ends itted in the nut parts,` a member arranged about the rodand adjustably engaged with the support and including a ring for forcingthe nut parts into enga-gement with the rod.

In testimony whereof I have signed my name to this specification.

iiiiroLAi KAsrBiino KLAUsnT.

